apiVersion: ceph.rook.io/v1 kind: CephBlockPool metadata: name: rbd-2x2-sites namespace: rook-ceph spec: deviceClass: ssd failureDomain: zone replicated: size: 4 replicasPerFailureDomain: 2 subFailureDomain: host requireSafeReplicaSize: true parameters: pg_autoscale_mode: "on" min_size: "2" mirroring: enabled: false